Influence of Annealing on the Properties of Fe 62 Ni 18 P 13 C 7 Alloy.
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| Title: | Influence of Annealing on the Properties of Fe 62 Ni 18 P 13 C 7 Alloy. |
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| Authors: | Małachowska, Aleksandra1 (AUTHOR) aleksandra.malachowska@pwr.edu.pl, Szczepański, Łukasz1,2 (AUTHOR), Żak, Andrzej2,3 (AUTHOR), Kuś, Anna1,4 (AUTHOR), Żrodowski, Łukasz3,4,5 (AUTHOR), Maj, Łukasz5,6 (AUTHOR), Pilarczyk, Wirginia1,6 (AUTHOR) |
| Source: | Materials (1996-1944). Jul2025, Vol. 18 Issue 14, p3376. 15p. |
| Subjects: | Hardness, Iron-nickel alloys, Melt spinning, Mechanical behavior of materials, Nanocrystals, Recrystallization (Metallurgy), Phase transitions, Selective laser melting |
| Abstract: | In this study, the influence of annealing on the phase evolution and mechanical properties of the Fe62Ni18P13C7 (at.%) alloy was investigated. Ribbons produced via melt-spinning were annealed at various temperatures, and their structural transformations and hardness were evaluated. The alloy exhibited a narrow supercooled liquid region (ΔTx ≈ 22 °C), confirming its low glass-forming ability (GFA). Primary crystallization began at approximately 380 °C with the formation of α-(Fe,Ni) and Fe2NiP, followed by the emergence of γ-(Fe,Ni) phase at higher temperatures. A significant increase in hardness was observed after annealing up to 415 °C, primarily due to nanocrystallization and phosphide precipitation. Further heating resulted in a hardness plateau, followed by a noticeable decline. Additionally, samples were produced via selective laser melting (SLM). The microstructure of the SLM-processed material revealed extensive cracking and the coexistence of phosphorus-rich regions corresponding to Fe2NiP and iron-rich regions associated with γ-(Fe,Ni). [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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| Abstract: | In this study, the influence of annealing on the phase evolution and mechanical properties of the Fe62Ni18P13C7 (at.%) alloy was investigated. Ribbons produced via melt-spinning were annealed at various temperatures, and their structural transformations and hardness were evaluated. The alloy exhibited a narrow supercooled liquid region (ΔTx ≈ 22 °C), confirming its low glass-forming ability (GFA). Primary crystallization began at approximately 380 °C with the formation of α-(Fe,Ni) and Fe2NiP, followed by the emergence of γ-(Fe,Ni) phase at higher temperatures. A significant increase in hardness was observed after annealing up to 415 °C, primarily due to nanocrystallization and phosphide precipitation. Further heating resulted in a hardness plateau, followed by a noticeable decline. Additionally, samples were produced via selective laser melting (SLM). The microstructure of the SLM-processed material revealed extensive cracking and the coexistence of phosphorus-rich regions corresponding to Fe2NiP and iron-rich regions associated with γ-(Fe,Ni). [ABSTRACT FROM AUTHOR] |
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| ISSN: | 19961944 |
| DOI: | 10.3390/ma18143376 |
